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sphenoid bone

British  

noun

  1. the large butterfly-shaped compound bone at the base of the skull, containing a protective depression for the pituitary gland

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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On the inferior aspect of the skull, each half of the sphenoid bone forms two thin, vertically oriented bony plates.

From Textbooks Jun. 19, 2013

The pituitary gland is cradled within the sellaturcica of the sphenoid bone of the skull.

From Textbooks Jun. 19, 2013

The pituitary, seated in the sella turcica of the sphenoid bone, is directly inferior to the optic chiasm.

From Textbooks Jun. 19, 2013

It is located within the body of the sphenoid bone, just anterior and inferior to the sella turcica, thus making it the most posterior of the paranasal sinuses.

From Textbooks Jun. 19, 2013

Pitūī′ta, Pit′uite, phlegm.—Pituitary body, a rounded body of the size of a small bean, situated in the sella turcica in the sphenoid bone on the floor of the cavity of the skull.

From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various

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